CVE-2022-48787

In the Linux kernel, the following vulnerability has been resolved: iwlwifi: fix use-after-free If no firmware was present at all (or, presumably, all of the firmware files failed to parse), we end up unbinding by calling device_release_driver(), which calls remove(), which then in iwlwifi calls iwl_drv_stop(), freeing the 'drv' struct. However the new code I added will still erroneously access it after it was freed. Set 'failure=false' in this case to avoid the access, all data was already freed anyway.

CVSS

No CVSS.

References

Link	Resource
https://git.kernel.org/stable/c/008508c16af0087cda0394e1ac6f0493b01b6063
https://git.kernel.org/stable/c/494de920d98f125b099f27a2d274850750aff957
https://git.kernel.org/stable/c/7d6475179b85a83186ccce59cdc359d4f07d0bcb
https://git.kernel.org/stable/c/9958b9cbb22145295ee1ffaea0904c383da2c05d
https://git.kernel.org/stable/c/bea2662e7818e15d7607d17d57912ac984275d94
https://git.kernel.org/stable/c/d3b98fe36f8a06ce654049540773256ab59cb53d
https://git.kernel.org/stable/c/ddd46059f7d99119b62d44c519df7a79f2e6a515

Configurations

No configuration.

History

No history.

Information

Published : 2024-07-16 12:15

Updated : 2024-07-16 13:43

NVD link : CVE-2022-48787

Mitre link : CVE-2022-48787

CVE.ORG link : CVE-2022-48787

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2022-48787", "cveTags": [], "metrics": {}, "published": "2024-07-16T12:15:03.633", "references": [{"url": "https://git.kernel.org/stable/c/008508c16af0087cda0394e1ac6f0493b01b6063", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/494de920d98f125b099f27a2d274850750aff957", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7d6475179b85a83186ccce59cdc359d4f07d0bcb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9958b9cbb22145295ee1ffaea0904c383da2c05d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bea2662e7818e15d7607d17d57912ac984275d94", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d3b98fe36f8a06ce654049540773256ab59cb53d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ddd46059f7d99119b62d44c519df7a79f2e6a515", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niwlwifi: fix use-after-free\n\nIf no firmware was present at all (or, presumably, all of the\nfirmware files failed to parse), we end up unbinding by calling\ndevice_release_driver(), which calls remove(), which then in\niwlwifi calls iwl_drv_stop(), freeing the 'drv' struct. However\nthe new code I added will still erroneously access it after it\nwas freed.\n\nSet 'failure=false' in this case to avoid the access, all data\nwas already freed anyway."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: iwlwifi: corrige el use-after-free Si no hab\u00eda ning\u00fan firmware presente (o, presumiblemente, no se pudieron analizar todos los archivos de firmware), terminamos desvincul\u00e1ndolo llamando a device_release_driver( ), que llama a remove(), que luego en iwlwifi llama a iwl_drv_stop(), liberando la estructura 'drv'. Sin embargo, el nuevo c\u00f3digo que agregu\u00e9 seguir\u00e1 accediendo err\u00f3neamente a \u00e9l despu\u00e9s de que se haya liberado. Establezca 'failure=false' en este caso para evitar el acceso; todos los datos ya se liberaron de todos modos."}], "lastModified": "2024-07-16T13:43:58.773", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}